[Topping it was satisfaction in performing the job. Obviously, that
good feeling one gets from having accomplished something is still the
best reward for hard labor. But workers also need to know they are doing
their job well, and the major deficiency within management today is
the failure of telling them so.]

２．解法：下線部（以下[...]部）以外にヒントあり！

A prudent employer would take the time to analyze the incentives workers
might list as their reasons for working---and most importantly, the
order in which they list them. A recent study disclosed that money was
number seven on such a list. [Topping it was satisfaction in performing
the job. Obviously, that good feeling one gets from having accomplished
something is still the best reward for hard labor. But workers also
need to know they are doing their job well, and the major deficiency
within management today is the failure of telling them so.]

A prudent employer would take the time to analyze the incentives/ workers
might list as their reasons for working---and most importantly, the
order in which they list them. A recent study disclosed/ that/ money
was number seven on such a list. [Topping it/ was satisfaction/ in performing
the job. Obviously, that good feeling/ one gets from having accomplished
something/ is still the best reward for hard labor. But/ workers also
need to know/ they are doing their job well, and the major deficiency
within management today/ is/ the failure of telling them so.]

４．”『数字』に注意！”は、センター英語のみに当てはまる解法ではなーーーい！

A prudent employer would take the time to analyze the incentives/ workers
might list as their reasons for working---and most importantly, the
”order”「順序」 in which they list them. A recent study disclosed/ that/
money was ”number seven”「７番目」 on such a list. [”TOPPING" it/ was satisfaction/
in performing the job. Obviously, that good feeling/ one gets from having
accomplished something/ is still the best reward for hard labor. But/
workers also need to know/ they are doing their job well, and the major
deficiency within management today/ is/ the failure of telling them
so.]

５．代名詞が指示している名詞を正確に捉えよ！

A prudent employer would take the time to analyze the incentives/ workers
might list as their[=workers'] reasons for working---and most importantly,
the ”order”「順序」 in which they[=workers] list them[=incentives]. A recent
study disclosed/ that/ money was ”number seven”「７番目」 on such a list.
[”TOPPING" it[=the list]/ was satisfaction/ in performing the job. Obviously,
that good feeling/ one「人が」[一般人称の"one"] gets from having accomplished
something/ is still「いぜんとして」 the best reward for hard labor. But/ workers
also need to know/ they[=workers] are doing their[=workers'] job well,
and the major deficiency within management today/ is/ the failure of
telling them[=workers] so.]